Electrolytic Plating and Coating Machine Operators and Tenders, Metal and Plastic

Operate or tend electrolytic plating or coating machines, such as zinc-plating machines and anodizing machines, to coat metal or plastic products electrolytically with chromium, zinc, copper, cadmium, or other metal to provide protective or decorative surfaces or to build up worn surfaces.

Job Task

• Measures or estimates amounts of electric current needed and time required to coat objects.
• Monitors and measures thickness of electroplating on component part to verify conformance to specifications, using micrometer.
• Immerses objects to be coated or plated into cleaning solutions or sprays with conductive solution to prepare object for plating.
• Lubricates moving parts of plating conveyor and cleans plating and cleaning solution tanks.
• Rinses coated object in cleansing liquids and dries with cloth, centrifugal driers, or by tumbling in sawdust filled barrels.
• Mixes forming acid solution, treats battery plates, and removes and rinses formed plates.
• Mixes and tests plating solution to specified formula and turns valves to fill tank with solution.
• Adjusts dials to regulate flow of current and voltage supplied to terminals to control plating process.
• Positions objects to be plated in frame or suspends them from positive or negative terminals of power supply.
• Removes object from plating solution after specified time or when desired thickness of metal is deposited on them.

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